The A.E.G. BSS 18 C Li is a powerful 18 volt impact driver which features the AEG Pro Lithium Ion battery technology with overload protection for maximum durability of battery & tool. It has a single speed motor making this impact driver ideal for screw driving applications around the home or work site. The A.E.G. BSS 18 C Li is lightweight yet strong, due to the advanced motor technology & compact design, it is a ideal for decking jobs as you can impact the screws home without much pressure. It